<?hh
/* Prototype  : int sleep  ( int $seconds  )
 * Description: Delays the program execution for the given number of seconds .
 * Source code: ext/standard/basic_functions.c
 */
<<__EntryPoint>> function main(): void {
echo "*** Testing sleep() : basic functionality ***\n";

$sleeptime = 5; // sleep for 5 seconds

set_time_limit(20);

$time_start = microtime(true);

// Sleep for a while
sleep($sleeptime);

// Test passes if sleeps for at least 98% of specified time
$sleeplow = $sleeptime - ($sleeptime * 2 /100);

$time_end = microtime(true);
$time = $time_end - $time_start;

echo "Thread slept for " . (string)($time) . " seconds\n";

if ($time >= $sleeplow) {
    echo "TEST PASSED\n";
} else {
    echo "TEST FAILED - time is {$time} secs and sleep was {$sleeptime} secs\n";
}
echo "===DONE===\n";
}
